'Permission' definitions:

Definition of 'permission'

From: WordNet
noun
Approval to do something; "he asked permission to leave"
noun
The act of giving a formal (usually written) authorization [syn: license, permission, permit]

Definition of 'Permission'

From: GCIDE
  • Permission \Per*mis"sion\ (p[~e]r*m[i^]sh"[u^]n), n. [L. permissio: cf. F. permission. See Permit.] The act of permitting or allowing; formal consent; authorization; leave; license or liberty granted. [1913 Webster]
  • High permission of all-ruling Heaven. --Milton. [1913 Webster]
  • You have given me your permission for this address. --Dryden. [1913 Webster]
  • Syn: Leave; liberty; license.
  • Usage: Leave, Permission. Leave implies that the recipient may decide whether to use the license granted or not. Permission is the absence on the part of another of anything preventive, and in general, at least by implication, signifies approval. [1913 Webster]